Relied shown by hachures. From Colton's American atlas, vol. 2 in Colton's Atlas of the world, illustrating physical and political geography. Longitude from Washington and Greenwich. "Entered according to Act of Congress in the year 1855 by J....

Relief shown by hachures and spot heights; depths shown by soundings. Ancillary map: Diagram of the Middle States; [North America]. "Entered according to the Act of Congress in the year 1867 by G. W. & C. B. Colton & Co. in the Clerks Office of...